<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="js/vue-2.6.12.js"></script>
</head>
<body>

<div id="app">

  <h3 v-for="(value,name,index) in users">{{value}} {{name}} {{index}}</h3>


</div>


<script>

  let  app = new Vue({

        el:"#app",
        data:{
          users:
            // {"name":"小明","age":12,"sex":"男"},
            // {"name":"小红","age":14,"sex":"女"},
            {"name":"小白","age":25,"sex":"男"}
          ,
        },
        methods:{

          add(){

            this.users.push({"name":"小梁","age":24,"sex":"男"});

          }

        }


      })
</script>
</body>
</html>